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EP0335348
European procedure
Extract from the Register of European Patents
EP About this file: EP0335348
| EP0335348 - Mesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal device [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 11.01.2002 Database last updated on 03.01.2025 | Most recent event Tooltip | 11.01.2002 | Patent maintained (B2 publication) | published on 27.02.2002 [2002/09] | Applicant(s) | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | [N/P] |
| Former [1989/40] | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | Inventor(s) | 01 /
Shinjo, Kenji Canon-ryo, 2-10-1 Asahicho Atsugi-shi Kanagawa-ken / JP | 02 /
Joshida, Akio 9-27 Asahigaoka Chigasaki-shi Kanagawa-ken / JP | 03 /
Iwaki, Takashi Center-hills 21 848-1 Ishida Isehara-shi Kanagawa-ken / JP | 04 /
Takiguchi, Takao 1-10-2 Kyuden Setagaya-ku Tokyo / JP | 05 /
Kitayama, Hiroyuki 1-8-19-201 Kamitsuruma Sagamihara-shi Kanagawa-ken / JP | 06 /
Katagiri, Kazuhara 5-9-16-2 Ochiai Tama-shi Tokyo / JP | [1989/40] | Representative(s) | Bühling, Gerhard, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München / DE | [N/P] |
| Former [1994/08] | Bühling, Gerhard, Dipl.-Chem., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | ||
| Former [1989/40] | Bühling, Gerhard, Dipl.-Chem. Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | Application number, filing date | 89105489.2 | 28.03.1989 | [1989/40] | Priority number, date | JP19880075078 | 28.03.1988 Original published format: JP 7507888 | JP19880157675 | 24.06.1988 Original published format: JP 15767588 | JP19890064775 | 15.03.1989 Original published format: JP 6477589 | [1989/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0335348 | Date: | 04.10.1989 | Language: | EN | [1989/40] | Type: | A3 Search report | No.: | EP0335348 | Date: | 05.12.1990 | Language: | EN | [1990/49] | Type: | B1 Patent specification | No.: | EP0335348 | Date: | 20.03.1996 | Language: | EN | [1996/12] | Type: | B2 New European patent specification | No.: | EP0335348 | Date: | 27.02.2002 | Language: | EN | [2002/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.10.1990 | Classification | IPC: | C07D271/10, C09K19/34, C07D285/12 | [1989/40] | CPC: |
C07D271/10 (EP,US);
C07D285/12 (EP,US);
C09K19/345 (EP,US);
C09K19/3455 (EP,US);
C09K19/3463 (EP,US);
C09K19/348 (EP,US);
| Designated contracting states | DE, FR, GB, IT, NL [1989/40] | Title | German: | Mesomorphe Verbindung, diese enthaltende ferroelektrische Flüssigkristall-Zusammensetzung und ferroelektrische Flüssigkristall-Vorrichtung | [1989/40] | English: | Mesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal device | [1989/40] | French: | Composé mésomorphe, composition ferro-électrique de cristaux liquides contenant ledit composé et dispositif à cristaux liquides ferro-électriques | [1989/40] | Examination procedure | 28.03.1989 | Examination requested [1989/40] | 14.06.1993 | Despatch of a communication from the examining division (Time limit: M06) | 08.12.1993 | Reply to a communication from the examining division | 27.01.1994 | Despatch of a communication from the examining division (Time limit: M02) | 25.03.1994 | Reply to a communication from the examining division | 01.08.1994 | Despatch of a communication from the examining division (Time limit: M06) | 02.02.1995 | Reply to a communication from the examining division | 04.04.1995 | Despatch of communication of intention to grant (Approval: Yes) | 10.08.1995 | Communication of intention to grant the patent | 10.11.1995 | Fee for grant paid | 10.11.1995 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
20.12.1996
13.01.1997
ADMISSIBLE Hoechst AG Zentrale Patentabteilung D-65926 FRANKFURT AM MAIN / DE Opponent's representative Isenbruck, Günter, et al, et al Patentanwälte Isenbruck Bösl Hörschler PartG mbB Eastsite One Seckenheimer Landstrasse 4 68163 Mannheim / DE | [N/P] |
| Former [1997/14] | |||
| Opponent(s) | 01
20.12.1996
13.01.1997
ADMISSIBLE HOECHST AG Zentrale Patentabteilung D-65926 FRANKFURT AM MAIN / DE Opponent's representative Isenbruck, Günter, et al, et al Isenbruck Bösl Hörschler LLP Eastsite One Seckenheimer Landstrasse 4 68163 Mannheim / DE | ||
| Former [1997/09] | |||
| Opponent(s) | 01
20.12.1996
13.01.1997
ADMISSIBLE Hoechst AG Zentrale Patentabteilung D-65926 FRANKFURT AM MAIN / DE Opponent's representative Isenbruck, Günter Isenbruck Bösl Hörschler LLP Im Neuenheimer Feld 582 69120 Heidelberg / DE | 27.01.1997 | Invitation to proprietor to file observations on the notice of opposition | 04.08.1997 | Reply of patent proprietor to notice(s) of opposition | 10.07.1998 | Despatch of a communication from the opposition division (Time limit: M04) | 19.11.1998 | Reply to a communication from the opposition division | 25.02.2000 | Despatch of a communication from the opposition division (Time limit: M06) | 11.07.2000 | Reply to a communication from the opposition division | 11.05.2001 | Despatch of interlocutory decision in opposition | 21.05.2001 | Legal effect of interlocutory decision in opposition | 21.09.2001 | Despatch of communication that the patent will be maintained as amended | 20.12.2001 | Fee for printing new specification paid | Fees paid | Renewal fee | 21.12.1990 | Renewal fee patent year 03 | 26.03.1992 | Renewal fee patent year 04 | 23.03.1993 | Renewal fee patent year 05 | 28.03.1994 | Renewal fee patent year 06 | 27.03.1995 | Renewal fee patent year 07 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [XP]WO8808019 (MERCK PATENT GMBH [DE]); | [XP]FR2617496 (WERK FERNSEHELEKTRONIK VEB [DD]) |